package com.bdk.middle.goods.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.bdk.middle.common.domain.PageDO;
import com.bdk.middle.common.result.ResultDO;
import com.bdk.middle.common.status.ErrorCode;
import com.bdk.middle.common.util.BeanUtilsExtends;
import com.bdk.middle.common.util.Constant;
import com.bdk.middle.common.util.DateUtil;
import com.bdk.middle.goods.api.domain.GoodsViewsRecordDO;
import com.bdk.middle.goods.api.query.GoodsViewsRecordQueryDO;
import com.bdk.middle.goods.core.entity.GoodsViewsRecordEntity;
import com.bdk.middle.goods.core.mapper.GoodsViewsRecordMapper;
import com.bdk.middle.goods.service.GoodsViewsRecordService;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.ArrayList;
import java.util.Calendar;
import java.util.List;

/**
 * <p>
 *  服务实现类
 * </p>
 *
 * @author Reagan
 * @since 2021-03-18
 */
@Service
public class GoodsViewsRecordServiceImpl extends ServiceImpl<GoodsViewsRecordMapper, GoodsViewsRecordEntity> implements GoodsViewsRecordService {

    private Logger logger = LoggerFactory.getLogger(this.getClass().getName());

    @Autowired
    private GoodsViewsRecordMapper goodsViewsRecordMapper;

    @Override
    public ResultDO add(GoodsViewsRecordDO domain) {

        GoodsViewsRecordEntity entity = new GoodsViewsRecordEntity();
        ResultDO result = BeanUtilsExtends.copy(entity, domain);
        if (!result.isSuccess()) {
            logger.debug("error code：" + result.getErrorCode().getCode() + " msg" + result.getErrorCode().getMsg());
            return result;
        }
        entity.setViewsDate(Calendar.getInstance().getTime());
        int res = -1;
        try {
            res = goodsViewsRecordMapper.insert(entity);
        } catch(Exception e) {
            result.setSuccess(false);
            result.setErrorCode(ErrorCode.SYSTEM_EXCEPTION);
            logger.debug("error code：" + ErrorCode.SYSTEM_EXCEPTION.getCode() + " msg" + ErrorCode.SYSTEM_EXCEPTION.getMsg());
            return result;
        }

        //判断r的值是否小于0.如果小于0 就代表添加失败
        if(res < 0) {
            result.setSuccess(false);
            result.setErrorCode(ErrorCode.GOODS_VIEWS_RECORD_ADD_ERROR);
            logger.debug("error code：" + ErrorCode.GOODS_VIEWS_RECORD_ADD_ERROR.getCode() + " msg" + ErrorCode.GOODS_VIEWS_RECORD_ADD_ERROR.getMsg());
            return result;
        }

        return result;
    }


    @Override
    public ResultDO remove(String id) {

        ResultDO result = new ResultDO();

        int res = -1;
        try {
            res = goodsViewsRecordMapper.deleteById(id);
        } catch (Exception e) {
            result.setSuccess(false);
            result.setErrorCode(ErrorCode.SYSTEM_EXCEPTION);
            logger.debug("error code：" + ErrorCode.SYSTEM_EXCEPTION.getCode() + " msg" + ErrorCode.SYSTEM_EXCEPTION.getMsg());
            return result;
        }

        //判断r的值是否小于0.如果小于0 就代表添加失败
        if(res < 0) {
            result.setSuccess(false);
            result.setErrorCode(ErrorCode.GOODS_VIEWS_RECORD_DELETE_ERROR);
            logger.debug("error code：" + ErrorCode.GOODS_VIEWS_RECORD_DELETE_ERROR.getCode() + " msg" + ErrorCode.GOODS_VIEWS_RECORD_DELETE_ERROR.getMsg());
            return result;
        }

        return result;
    }

    @Override
    public ResultDO find(GoodsViewsRecordQueryDO query) {

        ResultDO result = new ResultDO();

        QueryWrapper<GoodsViewsRecordEntity> wrapper = new QueryWrapper<>();

        if(StringUtils.isNotEmpty(query.getAppId())) {
            wrapper.eq("app_id", query.getAppId());
        }
        if(StringUtils.isNotEmpty(query.getGoodsId())) {
            wrapper.eq("goods_id", query.getGoodsId());
        }
        if(StringUtils.isNotEmpty(query.getMemberId())) {
            wrapper.eq("member_id", query.getMemberId());
        }

        Page<GoodsViewsRecordEntity> page = new Page<>(query.getCurrentPage(),query.getPageSize());
        IPage<GoodsViewsRecordEntity> iPage = null;
        try {
            iPage = goodsViewsRecordMapper.selectPage(page, wrapper);
        } catch (Exception e) {
            result.setSuccess(false);
            result.setErrorCode(ErrorCode.SYSTEM_EXCEPTION);
            logger.debug("error code：" + ErrorCode.SYSTEM_EXCEPTION.getCode() + " msg" + ErrorCode.SYSTEM_EXCEPTION.getMsg());
            return result;
        }

        List<GoodsViewsRecordDO> doList = getDomainList(iPage.getRecords());

        PageDO<GoodsViewsRecordDO> pageDO = new PageDO<>();

        pageDO.setCurrentPage(iPage.getCurrent());
        pageDO.setPageCount(iPage.getPages());
        pageDO.setPageSize(iPage.getSize());
        pageDO.setRowCount(iPage.getTotal());
        pageDO.setData(doList);

        result.setModel(ResultDO.FIRST_MODEL_KEY, pageDO);
        return result;
    }

    private GoodsViewsRecordDO getDomain(GoodsViewsRecordEntity entity) {
        ResultDO result = new ResultDO();
        //判断房源对象是否为空，为空就返回 空，不为空就进行下面的代码
        if(entity == null) return null;
        GoodsViewsRecordDO domain = new GoodsViewsRecordDO();
        DateUtil.dateToString(entity.getViewsDate(), DateUtil.DATE_FORMAT);
        if(!result.isSuccess()) {
            return null;
        }
        domain = BeanUtilsExtends.copyProperties(domain, entity) ? domain : null;

        //判断拷贝数据到Dto对象是否成功，如果成功则返回domian，如果不成功就返回空
        return domain;
    }


    private List<GoodsViewsRecordDO> getDomainList(List<GoodsViewsRecordEntity> list) {
        //创建一个名为dolist的房源do类型的 list集合
        List<GoodsViewsRecordDO> doList = new ArrayList<>();

        //判断传入的list的集合的size是否大于0
        if(list.size() > 0) {
            //大于0是，遍历list，创建do类型的对象 调用getdomain方法
            for(GoodsViewsRecordEntity entity : list) {

                GoodsViewsRecordDO domain = this.getDomain(entity);

                //判断得到的domain 是否为空 不为空 就往dolist集合里面添加domian 为空就返回空
                if(domain == null) {
                    return null;
                }
                doList.add(domain);
            }
        } else {
            return null;
        }
        return doList;
    }
}
